White vert lines 1 inch apart, toshiba rear projection

I am getting white vertical lines on my toshiba rear projection tv. They are pretty consistent but will flash out now and again for a few moments at a time unless i leave it on for a few hours with a black screen but as soon as it need to produce an image or movement they come right back. I have replaced the lamp, and removed all other devices for days at a time. I moved it once and ran it with a tivo and no hd signal and after a couple of days it went away for a month. I started adding devices and it was fine. I added an hd box from my cable company, fine. I switched to a hd dvr and the lines came back. the lines are there regardless of imput being used, xbox, dvd player, tivo or hd dvr.

I have searched for DMD Boards and I have all the Toshiba schematic diagrams but I do not see it. Is it a set of components? I also have the service manual, is there something there worth trying?

I have searched for DMD Boards and I have all the Toshiba schematic diagrams but I do not see it. Is it a set of components? I also have the service manual, is there something there worth trying?

AnonymousSep 11, 2008

I have the similar problem. I can see white thin vertical lines spaced ~1 inch apart. On top of that, when I turn on the TV, it will give buzzing sound and sometimes the LED indicates a solid red with green blinking.

Is it the problem with ballast board?

I have the similar problem. I can see white thin vertical lines spaced ~1 inch apart. On top of that, when I turn on the TV, it will give buzzing sound and sometimes the LED indicates a solid red with green blinking.

I have similar problem with white thin vertical lines spaced ~1in apart. Also, when I turn on the TV, there is a buzzing sound coming from the rear left of the TV. The LED indicator will have solid red with blinking green. After a few seconds, the picture will come up but the white vertical lines will remain on the screen.

Any ideas what is wrong?I have similar problem with white thin vertical lines spaced ~1in apart. Also, when I turn on the TV, there is a buzzing sound coming from the rear left of the TV. The LED indicator will have solid red with blinking green. After a few seconds, the picture will come up but the white vertical lines will remain on the screen.

Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.

The tuner of the TV may be at fault.To bypass/test if the fault is with the TV try hooking up the DVR using audio video cables through video 1 or 2 of TV rather than standard cable through channel 3or(4).

Get price of a LCD drive board first, then call a shop to see how much they would charge to replace it. If you have already researched the price you can get a better deal. But I really wouldn't try to replace this yourself. It takes major disassembly and alot of training just to get this model taken apart and put back together. Good luck, Russmann.